138955816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{8387}}^1$

素因数の和:8521

約数の個数: 32

約数和(自身を含む): 276804000

約数和(自身を除く): 137848184

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 2071, 4142, 8284, 8387, 16568, 16774, 33548, 67096, 159353, 318706, 637412, 914183, 1274824, 1828366, 3656732, 7313464, 17369477, 34738954, 69477908, 138955816]

約数ペア:

[(1, 138955816), (2, 69477908), (4, 34738954), (8, 17369477), (19, 7313464), (38, 3656732), (76, 1828366), (109, 1274824), (152, 914183), (218, 637412), (436, 318706), (872, 159353), (2071, 67096), (4142, 33548), (8284, 16774), (8387, 16568)]